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#41 Steve Pope

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Posted 09 October 2018 - 07:50 AM

53 Possums shot on farm land in an hour and a half using heat sensing night vision gear. Lower Northland. Of course the NRC would rather chase yachtyies and fan worm that possums.


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#42 muzled

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Posted 09 October 2018 - 08:44 AM

53 Possums shot on farm land in an hour and a half using heat sensing night vision gear. Lower Northland. Of course the NRC would rather chase yachtyies and fan worm that possums.

 

those night vision scopes are cool, had a play with dads one a few months back, amazing how well they work.

 

Some good $$$ in that possum fur...


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#43 native

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Posted 09 October 2018 - 09:46 AM

its a stinky job


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#44 native

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Posted 09 October 2018 - 09:47 AM

Looking around some of our northern coastline I would suggest that a lot of damage done to pohutukawa trees is not the possum but rather the large number of shags,.  

 

No way


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#45 muzled

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Posted 09 October 2018 - 09:56 AM

No way

 

It's pretty cut and dry, if the tree is dead and covered in shag sh*t it ain't jackos.

 

Can't vouch for Northland but take a drive up the Thames coast and there are plenty of trees covered in shag sh*t, 30-40 in a tree will do that.


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#46 harrytom

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Posted 09 October 2018 - 11:11 AM

Wonder why there is no vegetation on Gannet rock??


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#47 Steve Pope

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Posted 10 October 2018 - 08:01 AM

Too much sh*t will kill most anything, even conversations!


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#48 native

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Posted 10 October 2018 - 08:59 AM

I dont disagree that too many shags could kill a tree, but those nesting trees are relatively few and far between. Certainly not all over the hillsides, that is possum damage.


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#49 DrWatson

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Posted 25 October 2018 - 11:18 PM

It's pretty cut and dry, if the tree is dead and covered in shag sh*t it ain't jackos. *(see below)

 

Can't vouch for Northland but take a drive up the Thames coast and there are plenty of trees covered in shag sh*t, 30-40 in a tree will do that.

*In all honesty, that observation is the same as saying that horse hair on the ground will turn into worms after rain.

Or, the gate post is wooden, it is covered in paint, and it is dead, therefore, the paint killed the wood.

Both are a confusion of correlation and causation.

 

Question: What came first, the shags or the dead tree?

 

 

1. Shags are a normal part of the NZ coastal environment.

 

2. Possums in the Coromandel killed (proven: observed) a cracking number of Pohutukawa over the last 20-30y. Many beaut specimen trees on the coastal cliffs succumbed.

 

 

To validate the "Shags killing pohutukawas" theory one would need to examine historical shag census data in comparison to now, and then not only correlate the shag roosting habits to time and place of the dead trees, but also prove shag sh*t causation. Remember that pohutukawa can survive immersion in seawater. They're quite hardy when faced with a chemical (osmotic) challenge. How much phosphate and urea are going to actually penetrate the bark of a pohutukawa and have a systemic effect on the tree - especially given the tree is constantly exposed to rain. Given that numbers of almost all marine life is in decline due to poor marine management, it's not an unreasonable assumption that shag populations are lower than they used to be.

On the contrary, possum population is massive, and they systematically graze a tree until it's all gone. If you continuously remove a trees leaves it dies (proven).


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"Si Dieu n'existait pas, il faudrait l'inventer"

 


#50 harrytom

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Posted 20 January 2019 - 06:58 AM

https://www.stuff.co...nyDvukJmicTMk3o

 

Interesting read following the links could make a rainy day interesting

 

For DOC's planned one million ha of 1080 for 2019, they would need one million traps and 100,000 km of tracks to service them, which would require 10,000 person days. Remember, that's just for rats. Stoats would be extra work on top of that.


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